Set the flowgate-common module to compile with jdk1.8

[YangJiao0817]

Signed-off-by: YangJiao jiaoya@vmware.com

[codecov]

Codecov Report

Merging #840 (a8ec496) into master (6d389fa) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #840   +/-   ##
=========================================
  Coverage     41.74%   41.74%           
  Complexity     1580     1580           
=========================================
  Files           233      233           
  Lines         12891    12891           
  Branches       1727     1727           
=========================================
  Hits           5381     5381           
  Misses         6823     6823           
  Partials        687      687           

Flag	Coverage Δ	Complexity Δ
aggregator	28.11% <ø> (ø)	63.00 <ø> (ø)
api	64.79% <ø> (ø)	606.00 <ø> (ø)
infoblox	54.04% <ø> (ø)	70.00 <ø> (ø)
labsdb	24.84% <ø> (ø)	30.00 <ø> (ø)
management	5.67% <ø> (ø)	9.00 <ø> (ø)
nlyte	30.88% <ø> (ø)	200.00 <ø> (ø)
openmanage	42.01% <ø> (ø)	152.00 <ø> (ø)
poweriq	42.21% <ø> (ø)	269.00 <ø> (ø)
vc	41.45% <ø> (ø)	165.00 <ø> (ø)
vro	5.46% <ø> (ø)	16.00 <ø> (ø)

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